201781293

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{204439}}^1$

素因数の和:204496

約数の個数: 16

約数和(自身を含む): 314019840

約数和(自身を除く): 112238547

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 204439, 613317, 1431073, 4293219, 9608633, 28825899, 67260431, 201781293]

約数ペア:

[(1, 201781293), (3, 67260431), (7, 28825899), (21, 9608633), (47, 4293219), (141, 1431073), (329, 613317), (987, 204439)]